A large and growing sector of the U.S. economy produces nothing of value. Nada. Zilch. Every winner comes at the expense of a current or future loser. The only things this “zero-sum” sector produces are many of the nation’s ultra-wealthy. Money moves from one set of pockets into another — mostly upward, into the pockets of the ultra-wealthy.

Source: America’s Growing Zero-Sum Economy | The Smirking Chimp